Singletrack is a type of
dirt trail that is generally either
hiked or
biked on by
hikers and
mountain bikers. It is one "track" wide (generally ranging from 1/2 meter to a tire-width), as opposed to the "doubletrack" created by
ATVs and
snowmobiles.
Singletrack means something special to mountain bikers. It gives the cyclist a sense of connection to the trail, as it takes a fair amount of concentration and gusto to keep on the trail while holding a reasonable speed. Riding on singletrack is sometimes a very enlightening experience. Many mountain bikers are described as having a "single track mind", meaning, they only think about bikes.